<?
function a($a, $b) {
$temp = $a;
$a = $b;
$b = $temp;
}
a(1,3);
echo($a."--".$b);
?>
ÀÌ ¼Ò½º¿¡¼­¿ä $a $b¿¡ °ªÀÌ Á¸Àç ÇÒ¼ö ÀÖ³ª¿ä?
aÇÔ¼ö¿¡¼­ ¼±¾ðµÈ $a, $b, $temp¸¦
ÇÔ¼ö¹Û¿¡ ¼­µµ ¾µ¼ö ÀÖ³ª¿ä?